final StringBuilder buf = new StringBuilder();
        updateConfigListenerMap.entrySet().stream().forEach(e -> {
            buf.append(e.getKey()).append(": ");
            try {
                buf.append(e.getValue().get());
            } catch (final Exception ex) {
                logger.warn("Failed to process {} task.", e.getKey(), ex);
                buf.append(ex.getMessage());
            }

            private final ByteArrayOutputStream buf = new ByteArrayOutputStream(MAX_LEN);

            @Override
            public void write(final int b) throws IOException {
                if (b == '\n' || b == '\r' || buf.size() >= MAX_LEN) {
                    try {
                        final String msg = buf.toString(Constants.UTF_8);
                        if (StringUtil.isNotBlank(msg)) {

}

// Reader to read random data.
type netperfReader struct {
	n   uint64
	eof chan struct{}
	buf []byte
}

func (m *netperfReader) Read(b []byte) (int, error) {
	select {
	case <-m.eof:
		return 0, io.EOF
	default:
	}
	n := copy(b, m.buf)
	atomic.AddUint64(&m.n, uint64(n))
	return n, nil
}

    }


    public static String dec_ucs2le ( byte[] src, int si, int slim, char[] buf ) {
        int bi;

        for ( bi = 0; ( si + 1 ) < slim; bi++, si += 2 ) {
            buf[ bi ] = (char) dec_uint16le(src, si);
            if ( buf[ bi ] == '\0' ) {
                break;
            }
        }

        return new String(buf, 0, bi);
    }

            final StringBuilder buf = new StringBuilder(100);
            if (strings.length > 1) {
                for (int i = 0; i < strings.length - 1; i++) {
                    if (buf.length() != 0) {
                        buf.append('.');
                    }
                    buf.append(strings[i]);
                }
                filePrefix = buf.toString();

        final StringBuilder buf = new StringBuilder();
        clientFactory.addClient("test:.*", new CrawlerClient() {
            @Override
            public ResponseData execute(final RequestData request) {
                return null;
            }

            @Override
            public void setInitParameterMap(final Map<String, Object> params) {
                buf.append("value=").append(params.get("hoge"));

                parseTextContent(node, buf);
            }
        } catch (final Exception e) {
            logger.warn("Could not parse a value of {}", xpath);
        }
        if (buf == null) {
            return null;
        }
        return buf.toString().trim();
    }

    protected void parseTextContent(final Node node, final StringBuilder buf) {
        if (node.hasChildNodes()) {

    default String getLdapAdminUserSecurityPrincipal(final String name) {
        final StringBuilder buf = new StringBuilder(100);
        buf.append(String.format(getLdapAdminUserFilter(), name));
        if (StringUtil.isNotBlank(getLdapAdminUserBaseDn())) {
            buf.append(',').append(getLdapAdminUserBaseDn());
        }
        return buf.toString();
    }

    String getLdapAdminRoleObjectClasses();

// SMA struct for calculating simple moving average
type SMA struct {
	buf       []float64
	window    int     // len of buf
	idx       int     // current index in buf
	CAvg      float64 // cumulative average
	prevSMA   float64
	filledBuf bool
}

func newSMA(ln int) *SMA {
	if ln <= 0 {
		ln = defaultWindowSize
	}
	return &SMA{
		buf:    make([]float64, ln),
		window: ln,
		idx:    0,
	}
}

        validate(form, messages -> {}, () -> asListHtml(null));
        verifyTokenKeep(() -> asListHtml(this::saveToken));

        String header = null;
        final StringBuilder buf = new StringBuilder(1000);
        try (final BufferedReader reader = new BufferedReader(new InputStreamReader(form.requestFile.getInputStream(), Constants.UTF_8))) {
            header = ReaderUtil.readLine(reader);